Photometry and Spectroscopy of GRB 030329 and Its Associated Supernova 2003dh: The First Two Months
T. MathesonHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138P. GarnavichDepartment of Physics, University of Notre Dame, 225 Nieuwland Science Hall, Notre Dame, IN 46556K. Z. StanekHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138D. BersierHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138K. L. PageCurrent address: NASA Goddard Space Flight Center, Code 662.20, Greenbelt, MD 20771-0003K. KrisciunasCarnegie Institution of Washington, Las Campanas Observatory, Casilla 601, La Serena, ChileNelson CaldwellHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138Z. BenkhaldounF. L. Whipple Observatory, 670 Mount Hopkins Road, P.O. Box 97, Amado, AZ 85645J. S. BloomHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138Michael BolteUniversity of California Observatories, Lick Observatory, University of California at Santa Cruz, Santa Cruz, CA 95064A. Z. BonanosHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138M. J. I. BrownNational Optical Astronomy Observatory, 950 North Cherry Avenue, Tucson, AZ 85719Warren R. BrownHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138M. CalkinsF. L. Whipple Observatory, 670 Mount Hopkins Road, P.O. Box 97, Amado, AZ 85645Peter ChallisHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138R. ChornockDepartment of Astronomy, University of California at Berkeley, 601 Campbell Hall, Berkeley, CA 94720-3411L. EchevarriaDepartment of Physics and Astronomy, Arizona State University, Tempe, AZ 85287-1504Daniel J. EisensteinSteward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85718Mark E. EverettPlanetary Sciences Institute, 620 North Sixth Avenue, Tucson, AZ 85705A. V. FilippenkoDepartment of Astronomy, University of California at Berkeley, 601 Campbell Hall, Berkeley, CA 94720-3411K. FlintCarnegie Institution of Washington, Department of Terrestrial Magnetism, 5241 Broad Branch Road, NW, Washington, DC 20015R. J. FoleyDepartment of Astronomy, University of California at Berkeley, 601 Campbell Hall, Berkeley, CA 94720-3411Deborah L. FreedmanHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138M. HamuyCarnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101Paul HardingDepartment of Astronomy, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106Nimish P. HathiDepartment of Physics and Astronomy, Arizona State University, Tempe, AZ 85287-1504M. HickenHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138Charles G. HoopesDepartment of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218C. D. ImpeySteward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85718Buell T. JannuziNational Optical Astronomy Observatory, 950 North Cherry Avenue, Tucson, AZ 85719Rolf A. JansenDepartment of Physics and Astronomy, Arizona State University, Tempe, AZ 85287-1504Saurabh W. JhaDepartment of Astronomy, University of California at Berkeley, 601 Campbell Hall, Berkeley, CA 94720-3411J. KałużnyCopernicus Astronomical Center, Bartycka 18, PL-00-716, Warsaw, PolandSheila J. KannappanUniversity of Texas at Austin, McDonald Observatory, 1 University Station C1402, Austin, TX 78712-0259R. KirshnerHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138D. W. LathamHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138Janice LeeSteward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85718D. C. LeonardFive College Astronomy Department, University of Massachusetts, Amherst, MA 01003-9305Wenyu LiDepartment of Astronomy, University of California at Berkeley, 601 Campbell Hall, Berkeley, CA 94720-3411K. L. LuhmanHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138Paul MartiniCarnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101H. MathisNational Optical Astronomy Observatory, 950 North Cherry Avenue, Tucson, AZ 85719J. MazaDepartment de Astronomia, Universidad de Chile, Casilla 36-D, Santiago, ChileS. T. MegeathHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138Larry R. MillerNational Optical Astronomy Observatory, 950 North Cherry Avenue, Tucson, AZ 85719D. MinnitiPontificia Universidad Católica de Chile, Casilla 306, Santiago, 22, ChileEdward W. OlszewskiSteward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85718M. PapenkovaDepartment of Astronomy, University of California at Berkeley, 601 Campbell Hall, Berkeley, CA 94720-3411M. M. PhillipsCarnegie Institution of Washington, Las Campanas Observatory, Casilla 601, La Serena, ChileB. PindorPrinceton University Observatory, Princeton, NJ 08544Dimitar SasselovHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138Rudolph E. SchildHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138Heidi SchweikerT. B. SpahrHarvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138J. E. Thomas-OsipCarnegie Institution of Washington, Las Campanas Observatory, Casilla 601, La Serena, ChileI. ThompsonCarnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101Daniel R. WeiszDepartment of Astronomy, University of California at Berkeley, 601 Campbell Hall, Berkeley, CA 94720-3411Rogier A. WindhorstDepartment of Physics and Astronomy, Arizona State University, Tempe, AZ 85287-1504Dennis ZaritskySteward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85718
2003en
ABI
Аннотация
We present extensive optical and infrared photometry of the afterglow of gamma-ray burst (GRB) 030329 and its associated supernova (SN) 2003dh over the first two months after detection (2003 March 30-May 29 UT). Optical spectroscopy from a variety of telescopes is shown and, when combined with the photometry, allows an unambiguous separation between the afterglow and supernova contributions. The optical afterglow of the GRB is initially a power-law continuum but shows significant color variations during the first week which are unrelated to the presence of a supernova. The early afterglow light curve also shows deviations from the typical power-law decay. A supernova spectrum is first detectable ~7 days after the burst and dominates the light after ~11 days. The spectral evolution and the light curve are shown to closely resemble those of SN 1998bw, a peculiar Type Ic SN associated with GRB 980425, and the time of the supernova explosion is very close to the observed time of the GRB. It is now clear that at least some GRBs arise from core-collapse SNe.
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